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LTC3025IDC-1#TRPBF

产品描述LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 - 500mA Micropower VLDO Linear Regulators; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C
产品类别电源电路   
文件大小238KB,共14页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 全文预览

LTC3025IDC-1#TRPBF概述

LTC3025-1/LTC3025-2/LTC3025-3/LTC3025-4 - 500mA Micropower VLDO Linear Regulators; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C

LTC3025IDC-1#TRPBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
厂商名称Linear ( ADI )
零件包装代码DFN
包装说明HVSON, SOLCC6,.08,20
针数6
制造商包装代码DC6
Reach Compliance Codecompliant
ECCN代码EAR99
Is SamacsysN
可调性ADJUSTABLE
最大回动电压 10.17 V
标称回动电压 10.085 V
JESD-30 代码S-PDSO-N6
JESD-609代码e3
长度2 mm
湿度敏感等级1
功能数量1
输出次数1
端子数量6
工作温度TJ-Max125 °C
工作温度TJ-Min-40 °C
最大输出电流 10.5 A
最大输出电压 13.6 V
最小输出电压 10.4 V
封装主体材料PLASTIC/EPOXY
封装代码HVSON
封装等效代码SOLCC6,.08,20
封装形状SQUARE
封装形式SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
包装方法TAPE AND REEL
峰值回流温度(摄氏度)260
认证状态Not Qualified
调节器类型ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度0.8 mm
表面贴装YES
技术CMOS
端子面层Matte Tin (Sn)
端子形式NO LEAD
端子节距0.5 mm
端子位置DUAL
处于峰值回流温度下的最长时间NOT SPECIFIED
宽度2 mm
Base Number Matches1

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LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
500mA Micropower
VLDO Linear Regulators
FeaTures
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DescripTion
The LTC
®
3025-X is a micropower, VLDO™ (very low drop-
out) linear regulator which operates from input voltages as
low as 0.9V. The device is capable of supplying 500mA of
output current with a typical dropout voltage of only 85mV.
A BIAS supply is required to run the internal reference and
LDO circuitry while output current comes directly from the
IN supply for high efficiency regulation. The LTC3025-1
features an adjustable output with a low 0.4V reference
while the LTC3025-2, LTC3025-3, and LTC3025-4 have
fixed 1.2V, 1.5V and 1.8V output voltages respectively.
The LTC3025-X’s low quiescent current makes it an ideal
choice for use in battery-powered systems. For 3-cell NiMH
and single cell Li-Ion applications, the BIAS voltage can
be supplied directly from the battery while the input can
come from a high efficiency buck regulator, providing a
high efficiency, low noise output.
Other features include high output voltage accuracy,
excellent transient response, stability with ultralow ESR
ceramic capacitors as small as 1µF short-circuit and
,
thermal overload protection and output current limiting.
The LTC3025-X is available in a tiny, low profile (0.75mm)
6-lead DFN (2mm × 2mm) package.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and VLDO
and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents including 7224204, 7218082.
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Wide Input Voltage Range: 0.9V to 5.5V
Stable with Ceramic Capacitors
Very Low Dropout: 85mV at 500mA
Adjustable Output Range: 0.4V to 3.6V (LTC3025-1)
Fixed Output: 1.2V (LTC3025-2), 1.5V (LTC3025-3),
1.8V (LTC3025-4)
±2% Voltage Accuracy over Temperature,
Supply and Load
Low Noise: 80µV
RMS
(10Hz to 100kHz)
BIAS Voltage Range: 2.5V to 5.5V
Fast Transient Recovery
Shutdown Disconnects Load from V
IN
and V
BIAS
Low Operating Current: I
IN
= 4µA, I
BIAS
= 50µA Typ
Low Shutdown Current: I
IN
= 1µA, I
BIAS
= 0.01µA Typ
Output Current Limit
Thermal Overload Protection
Available in 6-Lead (2mm × 2mm) DFN Package
applicaTions
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Low Power Handheld Devices
Low Voltage Logic Supplies
DSP Power Supplies
Cellular Phones
Portable Electronic Equipment
Handheld Medical Instruments
Post Regulator for Switching Supply Noise Rejection
Typical applicaTion
1.2V Output Voltage from 1.5V Input Supply
BIAS
Li-Ion
OR
3-CELL
NiMH
1.5V HIGH
EFFICIENCY 1.5V
DC/DC
BUCK
0.1µF
IN
0.1µF
OFF ON
SHDN
GND
30251234 TA01
1MHz V
IN
Supply Rejection
50
45
V
OUT
= 1.2V
I
OUT
≤ 500mA
REJECTION (dB)
C
OUT
= 10µF
C
OUT
= 1µF
OUT
1µF
40
35
30
25
20
15
10
5 BIAS = 3.6V
V
OUT
= 1.2V
0
1.2 1.4 1.6
I
OUT
= 100mA
I
OUT
= 300mA
1.8 2.0
V
IN
(V)
2.2
2.4
2.6
LTC3025-2
SENSE
30251234 TA01b
30251234ff
1
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